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89050121 = 19122441
BaseRepresentation
bin1010100111011…
…00110000001001
320012120012210122
411103230300021
5140244100441
612500353025
72130625226
oct523546011
9205505718
1089050121
11462a2746
12259a5775
13155ab7a4
14bb8094d
157c4034b
hex54ecc09

89050121 has 6 divisors (see below), whose sum is σ = 89555466. Its totient is φ = 88547600.

The previous prime is 89050111. The next prime is 89050139. The reversal of 89050121 is 12105098.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 58369600 + 30680521 = 7640^2 + 5539^2 .

It is not a de Polignac number, because 89050121 - 222 = 84855817 is a prime.

It is a super-2 number, since 2×890501212 = 15859848100229282, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89050111) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 35261 + ... + 37701.

It is an arithmetic number, because the mean of its divisors is an integer number (14925911).

Almost surely, 289050121 is an apocalyptic number.

It is an amenable number.

89050121 is a deficient number, since it is larger than the sum of its proper divisors (505345).

89050121 is an equidigital number, since it uses as much as digits as its factorization.

89050121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2823 (or 2632 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 26.

The square root of 89050121 is about 9436.6371658552. The cubic root of 89050121 is about 446.5583056239.

The spelling of 89050121 in words is "eighty-nine million, fifty thousand, one hundred twenty-one".

Divisors: 1 191 2441 36481 466231 89050121